[QuadList] TEK529 - 7788 tube - solid state replacement

Charles Park Seward park at videopark.com
Thu Jan 30 11:55:44 CST 2014


Hi Mitch,

I am still using a RM-529 scope on a Quad VTR. I would like to have those parts to keep that old scope working.

Best,
Park

C. Park Seward
Cell: 818-535-2747
Home: 541-476-6657
2" Quad and 1" "C" transfers and more
The Transfer Lab at Video Park
Visit us: http://www.videopark.com





On Jan 30, 2014, at 8:39 AM, J. Mitch Hopper <id at brainmist.com> wrote:

> 
> Anybody remember the solid state replacement for the expensive 7788 vert amp tube in the old RM-529 scopes?
> I'm cleaning out files and parts cabinets and stumbled across these repair items.
> Is anyone interested in having them. I think they work but it's been a long, long, long time ago.
> It's either give them away or send them to the great dumpster.
>  
> BTW - does anyone remember "T Systems" who made these little gizmo?  They worked well but had one flaw.
> The high heat generated by the transistor didn't hurt the transistor, but it fried the 1N5254 1/2 watt zener diode (that's why I seem to have extras).
> Once upon a time I bought these guys by the case for all the scopes. Never had to buy another 7788.
>  
>  
> J. Mitch Hopper
> Custom Video Systems Co.
> Rochester, IL
> 217-498-8438
> id at brainmist.com
>  
> When I am reincarnated, I'm coming back with a larger hard drive.
> ______________________________________________
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> 
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